This deep groove ball bearing carries radial loads in a single row of balls, with a bore diameter of 190.0 mm, outside diameter of 400.0 mm, and width of 78.0 mm. The bearing weighs 49.4 kg and features a solid brass cage (M), supporting a limiting speed of 2850 1/min and a reference speed of 2290 1/min. Radial internal clearance is C3 (Group 3), providing additional internal play beyond standard clearance. The C3 clearance allows the bearing to accommodate thermal expansion and shaft deflection under load, making it suitable for applications with elevated operating temperatures or interference fits that reduce internal play. The solid brass cage (M) provides strength and stability for the ball complement at the given speed range, while the bore type Z should be checked against the specific mounting requirements. This bearing is supplied without integrated sealing, so lubrication and contamination protection must be arranged externally.